Space Charge Formation and Charge Transport in Epoxy Resin at Varied Temperatures

カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2015/02/01

タイトル(英語): Space Charge Formation and Charge Transport in Epoxy Resin at Varied Temperatures

著者名: Xiuting Li (Department of Electrical Engineering and Bioscience, Waseda University), Yuki Masuzaki (Department of Electrical Engineering and Bioscience, Waseda University), Fuqiang Tian (Department of Electrical Engineering and Bioscience, Waseda Universi

著者名(英語): Xiuting Li (Department of Electrical Engineering and Bioscience, Waseda University), Yuki Masuzaki (Department of Electrical Engineering and Bioscience, Waseda University), Fuqiang Tian (Department of Electrical Engineering and Bioscience, Waseda University/School of Electrical Engineering, Beijing Jiaotong University), Yoshimichi Ohki (Department of Electrical Engineering and Bioscience, Waseda University/Research Institute for Materials Science and Technology, Waseda University)

キーワード: space charge，dielectric permittivity，conduction current，epoxy resin，dielectric behavior

要約(英語): In order to investigate space charge behavior and charge transport characteristics of epoxy resin, complex dielectric permittivity and conduction current were measured at various temperatures from 20 to 200℃. Space charge distributions polarized at these temperatures were measured at room temperature. At temperatures above 100℃, significant accumulation of heteropolar space charges, most likely due to ions, is seen around the cathode/sample interface. Furthermore, both the real and imaginary parts of complex permittivity increase to remarkably high values at these high temperatures. It seems that such increase in permittivity is ascribable to the electrode polarization due to the hetero-charge accumulation. These results indicate that the dielectric behavior in epoxy resin is mainly governed by the electronic charge injection at relatively low temperatures below 100℃ and by the transport of ionic carriers at high temperatures above 100℃.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.135 No.2 （2015） 特集：電気電子絶縁材料システムシンポジウム

本誌掲載ページ: 88-93 p

原稿種別: 論文／英語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/135/2/135_88/_article/-char/ja/